D322 Introduction to IT Practice Test Questions and Answers 100% Correct

This form of cloud computing is offered as a service by some major organizations, such as Amazon and Google, and used extensively by app developers. Its intent is to be able to quickly and reliably develop and deliver applications - SaaS - IaaS - PaaS - ANSWER-PaaS The ______ keyword in SQL is used to inform the DBMS what tables are to be interrogated by the query and, if more than one table contains the data of interest, how they are to be combined or joined. - INTO - WHERE - SELECT - FROM - ANSWER-FROM Which of the following best describes the differences between memory and the hard drive? - Memory is an internal component that directly or indirectly connects computer components; whereas the hard drive is an external storage device. - Memory stores instructions and data used by programs in the moment; whereas a hard drive stores data, programs, and files that can be accessed at a future time. - Memory carries out basic instructions that operate a computer; whereas the hard drive is a long-term storage device. - Memory is an electronic component used to store instructions for future use; whereas a hard drive is attached to the motherboard and enables the communication between components. - ANSWER-Memory stores instructions and data used by programs in the moment; whereas a hard drive stores data, programs, and files that can be accessed at a future time. Which of the following is the correct function of the compiler? - Every instruction is translated first and then executed and this must be done every time the program is run. - Takes the most recently entered instruction, translates it into machine language, and executes it. - Translates the entire program, creating an executable program, which can be run at a later time. - Allows programmers to more easily write programs. - ANSWER-Translates the entire program, creating an executable program, which can be run at a later time. What is a program that will allow a computer to easily access the hardware and software of the computer system?